Integer divWidth = sheet.getWidthList().get(columnIndex);
Style divStyle = new Style();
divWidth = divWidth - 6; // leftBorder + leftPadding + rightPadding + rightBorder = 6, todo: use Style Constructor
divStyle.setWidth(Measure.valueOf(divWidth));
TextAlign align = TextAlign.parse((String) column.getAttributes().get(Attributes.ALIGN));
divStyle.setTextAlign(align);
writer.startElement(HtmlElements.SPAN, null);
writer.writeIdAttribute(sheetId + ComponentUtils.SUB_SEPARATOR + "header_box_" + columnIndex);
writer.writeStyleAttribute(divStyle);